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To be an outlier in the box plot above, a score must be:
A group of 17 people was asked the number of years they have worked for their current employer. Their responses are summarised in the following stem plot.
What is the median number of years that people have worked for their current employer? Just write the numerical value.
The association between two variables y and x, asshown in the scatterplot above, is non-linear. In an attempt totransform the relationship to linearity, a student wouldbe advised to:
The mean and standard deviation (s) for the following set of test marks
1 1 10 15 16 25 8 10 12
are closest to:
Weight (in kg) can be predicted from height (in cm) from the regression line:
weight = −96 + 0.95 × height
A person of height 179 cm weighs 82 kg. If the regression equation is used to predicttheir weight, then the residual will be closest to:
A group of 17 people was asked the number of years they have worked for their current employer. Their responses are summarised in the following stem plot.
What is the interquartile range of the number of years that people have worked for their current employer? Just write the numerical value.
The parallel box plots shown display thedistribution of battery life (in hours) for twobrands of batteries (brand A and brand B).
The variables battery life and brand are:
The following is an ordered set of 10 daily maximum temperatures (in degrees Celsius):
22 22 23 24 24 25 26 27 28 29
The five-number summary for these temperatures is:
Qué relación existe entre las diferentes vistas ortogonales de una pieza cuando las dibujamos en el papel.
The histogram is best described as: